Finding the Fourth Proportional to 969,280.84, 1,453,805.82 and 259,363.72

Step by Step Solution

1. Step 1: Write the proportion equation
   969,280.84 : 1,453,805.82 = 259,363.72 : x
2. Step 2: Convert to fraction form
   969,280.84/1,453,805.82 = 259,363.72/x
3. Step 3: Cross multiply
   969,280.84x = 1,453,805.82 × 259,363.72
4. Step 4: Simplify right side
   969,280.84x = 377,064,485,632.85
5. Step 5: Solve for x
   x = 377,064,485,632.85/969,280.84
6. Step 6: Final answer
   x = 389,014.69